Refactor Login UI

[LordEaster]

This pull request includes significant changes to the database schema, seed data, and backend services to enhance poll functionality. The most important changes include adding new fields to the Poll model, restructuring database relationships, updating seed data generation, and expanding the poll controller with new endpoints.

Database Schema Changes:

• Added canEdit field to the Poll model and removed pollId from the Guest table. (backend/prisma/migrations/20250219021609_/migration.sql, backend/prisma/schema.prisma) [1] [2] [3]
• Modified unique constraints and foreign key relationships for WhitelistUser, Guest, and VoteRestriction models. (backend/prisma/schema.prisma) [1] [2] [3]

Seed Data Updates:

• Refactored seed script to create users, events, polls, options, whitelist users, guests, votes, and vote restrictions with randomized data. (backend/prisma/seeds/seed.ts)

Backend Service Enhancements:

• Added new methods myPolls, publicPolls, and myVotedPolls to the PollController to fetch user-specific and public poll data. (backend/src/controllers/poll.controller.ts) [1] [2] [3]
• Updated AuthMiddleware to correctly handle guest user tokens using decode.sub. (backend/src/middlewares/auth.middleware.ts) [1] [2]

Route Adjustments:

• Added new routes for fetching user-specific and public polls with appropriate authentication middleware. (backend/src/routes/poll.routes.ts) [1] [2]